Chapter 3: Life in the Eastern Hemisphere

The minaret of the Great Mosque of Samarra has a spiral design. Muezzins climb spiral steps around the outside of the tower to the balcony at the topMosques usually have at least one minaret (tower) with a small balcony where the muezzin chants the call to prayer. ... The astrolabe is a device for computing time based on the location of the sun ... ................
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